aclrtValueWrite
Applicable Products
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Supported |
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☓ |
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Function
Writes data to the specified memory. This is an asynchronous API.
Prototype
1
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aclError aclrtValueWrite(void* devAddr, uint64_t value, uint32_t flag, aclrtStream stream) |
Parameters
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Parameter |
Input/Output |
Description |
|---|---|---|
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devAddr |
Input |
Memory address on the device. You need to allocate device memory in advance (for example, by calling aclrtMalloc). The value of devAddr must be 8-byte aligned. The valid memory bit width is 64 bits. |
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value |
Input |
Data to be written to the memory. |
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flag |
Input |
Reserved. The value is fixed at 0. |
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stream |
Input |
Stream for executing the data write task. For details about the type definition, see aclrtStream. The value NULL is supported, indicating that the default stream is used. |
Returns
0 on success; otherwise, failure. For details, see aclError.